Isodicentric 15, also called idic(15), partial tetrasomy 15q, or inverted duplication 15 (inv dup 15) is a rare chromosomal disorder where there are four copies of a portion of the long arm of chromosome 15 instead of the normal two resulting in various abnormalities.
* Craniosynostosis * Low set ears * Cupped ears * Downward slanting space between eyelids * Blepharophimosis * Turricephaly * Small jaw * Retrognathia * Sloping forehead * Cranial asymmetry * Bulbous nose * Long philtrum * Nasal stenosis * Small mouth * Down turned corners of mouth * Midline in lower ip * Highly arched palate * Asymmetrical thorax * Short neck * Arachnodactyly * Overlapping toes * Kyphosis * Scoliosis * Atrio-septal defect * Left-right shunt * Hydrdonephrosis * Mental retardation * Accelerated growth after birth * Deafness * Monochromatism * Apnea neonatorum
This medical information about signs and symptoms for Chromosome 15q tetrasomy syndrome has been gathered from various sources, may not be fully accurate, and may not be the full list of Chromosome 15q tetrasomy syndrome signs or Chromosome 15q tetrasomy syndrome symptoms. Furthermore, signs and symptoms of Chromosome 15q tetrasomy syndrome may vary on an individual basis for each patient. Only your doctor can provide adequate diagnosis of any signs or symptoms and whether they are indeed Chromosome 15q tetrasomy syndrome symptoms.